Software Engineer - Data Infrastructure

About Fable Security AI-driven threats and human error are today’s biggest enterprise security risks. Cybercriminals don’t hack systems—they exploit people. Human errors drive 70% of security breaches, making human behavior the primary and growing attack surface. At Fable, we believe that the right tools can convert people from targets to another layer of defense. Fable is the human risk platform that directly shapes employee behavior. Designed for simplicity and enterprise scale, our agentic platform synthesizes complex employee data, pinpoints risky behaviours, and deploys highly relevant interventions to people automatically, in real time, right where they work. Backed by Redpoint Ventures and Greylock Partners and founded by early Abnormal Security team members, Fable is solving cybersecurity’s biggest challenge in a multi‑billion‑dollar market. Our team includes alumni from Meta, Twitter, Flexport, and top‑tier universities like Waterloo, Columbia, Berkeley, Purdue, CMU, Stanford, UCLA, and USC. We are experiencing explosive growth, making this a career‑defining opportunity to join and shape the future of security. Why Join Us Build and scale the foundational data infrastructure powering a category‑defining product Work closely with engineering, data science, and product teams to operationalize data at scale Join a small, high‑caliber team where you’ll have outsized ownership and impact At an early‑stage company, every engineer directly shapes how the product works and evolves. You’ll help define not just the system—but the way the company thinks about data. Your Role As a Data Infrastructure Engineer, you will own the architecture, scalability, and reliability of our data platform . You’ll design and build the systems that power everything from real‑time product features to internal analytics and machine learning workflows —from raw ingestion to production‑ready datasets. You’ll develop the architecture and establish best practices on which our data‑driven products are built. This is a highly cross‑functional role where you’ll partner closely with engineering, data, and product teams to ensure our data foundation scales with the company. Responsibilities Design, build, and maintain scalable data pipelines and infrastructure Develop batch and streaming systems for ingesting and processing large‑scale data Own core components of the data platform (warehouse, lake, orchestration, tooling) Implement data modeling, transformation, and versioning frameworks Ensure data quality, observability, and reliability across pipelines Optimize systems for performance, cost, and scalability Build tooling to support reproducible datasets and experimentation Partner with data scientists and engineers to productionise ML and analytics workflows Contribute to secure and compliant data infrastructure in cloud environments Your Skillset: Must-Have 3–7+ years of experience in data infrastructure, infrastructure, or platform engineering Strong understanding of real‑time and batch data processing systems, including stream processing, messaging architectures, and large‑scale data workflows (Spark, Kafka, etc.) Experience with modern data tooling (dbt, Airflow, etc.) Strong understanding of data modeling, ETL/ELT, reverse ETL, and orchestration Experience designing for scalability, reliability, and observability Hands‑on experience with cloud platforms (AWS/GCP) and storage systems Ability to operate in a fast‑moving startup environment with high ownership Nice-to-Have Familiarity with ML infrastructure or feature stores Experience with data versioning, lineage, or reproducibility systems Background in security, compliance, or high‑sensitivity data domains Previous experience at an early‑stage startup How We Work We value impact over process —you’ll ship quickly and iterate Engineers have high ownership and autonomy We operate with tight feedback loops across product and engineering We prioritize technical rigor, simplicity, and long‑term scalability Compensation & Benefits Competitive salary + equity Health, dental, vision coverage Flexible PTO Opportunity to join at an early stage and shape the company’s foundation Why This Role Matters Data is core to the product. You’ll be responsible for building the systems that enable: Real‑time decision‑making Scalable analytics and experimentation Reliable, production‑grade data for customers and internal teams Your work will directly impact how the company builds, ships, and scales. The estimated salary range for this position is estimated to be $160K - $225K / year. Total compensation for this position may also include Restricted Stock units, sign‑on bonus and other potential future incentives. Further note that total compensation for this position will be determined by each individual’s relevant qualifications, work experience, skills, and other factors. Fable Security is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected veteran status or other characteristics protected by law. #J-18808-Ljbffr Fable Security LLP